feat: add test code to assert if k3s is running

clanServices/customer-portal/README.md

@@ -0,0 +1 @@
+# Customer portal Clan-service

clanServices/customer-portal/default.nix

@@ -16,6 +16,8 @@ in
   # Server configuration
   #==============================================================================================================
   roles.server = {
+    description = "A server hosts the portal";
+
     interface = { lib, ... }:
     let
       inherit (lib) mkOption types toString;

clanServices/k3s/README.md

@@ -0,0 +1 @@
+# K3s Clan-service

clanServices/k3s/default.nix

@@ -16,6 +16,8 @@ in
   # Server configuration
   #==============================================================================================================
   roles.server = {
+    description = "A server manages the cluster";
+
     interface = { lib, ... }:
     let
       inherit (lib) mkOption mkEnableOption mkIf types toString;
@@ -184,6 +186,8 @@ in
   # Agent configuration
   #==============================================================================================================
   roles.agent = {
+    description = "An agent connects to the server";
+    
     interface = { lib, ... }: {
       options = {};
     };

clanServices/zitadel/default.nix

@@ -17,6 +17,8 @@ in
   # Controller configuration
   #==============================================================================================================
   roles.controller = {
+    description = "A controller that manages the instance";
+
     interface = {
       options = {
         hostName = mkOption {
@@ -75,6 +77,21 @@ in
         };
       in
       {
+        assertions = 
+        let
+          inherit (lib) attrValues any;
+        in
+        [
+          {
+            assertion = 
+              config.services.k3s.enable == true;
+              # config.clan.inventory.instances
+              # |> attrValues
+              # |> any ({ module, ... }: module.name == "k3s");
+            message = "This module requires k3s in order to run";
+          }
+        ];
+
         clan.core.vars.generators.zitadel = {
           share = false;
 
@@ -225,6 +242,8 @@ in
   # Peer configuration
   #==============================================================================================================
   roles.peer = {
+    description = "A peer";
+    
     interface = {
       options = {};
     };